Collapsible lectern



FIG. 1 is a front perspective view of a collapsible lectern in accordance with the new design;

FIG. 2 is a front perspective view thereof with its doors closed;

FIG. 3 is a front perspective view thereof with its shelves partially lowered;

FIG. 4 is a front perspective view with thereof with its shelves fully lowered;

FIG. 5 is a side perspective view thereof, an opposite side perspective view being a mirror image thereof;

FIG. 6 is a side perspective view thereof with its doors closed, an opposite side perspective view being a mirror image thereof; and,

FIG. 7 is a bottom perspective view thereof.

Broken lines shown in FIGS. 1, 3, 4 and 7 are for illustration purposes only and are not part of the claimed design. 

The ornamental design for a collapsible lectern, as shown and described. 